Water tank for concrete mixers



y 1934. GARDINER WATER TANK FOR CONCRETE MIXERS Filed Dec. 24. 19313nventor LION GARDINER attorney 5 Patented July 10, I934 WATER TANK FORCONCRETE MIXERS Lion Gardiner, Columbus, Ohio, assignor to The JaegerMachine Company, Columbus, Ohio, a corporation of Ohio ApplicationDecember 24, 1931, Serial No. 583,027

6 Claims. (01. 221-95) This invention relates to tanks for supplyingwater to concrete mixing drums.

The object of the invention is to provide an improved tank or reservoirhaving two water containing chambers, one of which receives the waterfor supplying the dry ingredients of several batches of the concretewhile the other receives the water for washing out the mixing drum afterthe days work has been completed or before, if desired. A'further objectis to provide an improved construction wherebya measured quantity ofwater, according to specifications for the slump, can be discharged intothe mixing drum containing the ingredients and unauthorized additions tothe main quantity in the tank made detectable. A further object is toprevent supplying of water to the tank (and the mixing drum) when thewater charging opening to the tank is opened. Other objects will appearfrom the disclosure herein.

The invention is embodied in the example herein shown and described, thefeatures of novelty being finally claimed.

In the accompanying drawing Figure 1 is a view in side elevation of thetank with parts broken out to illustrate details.

Fig. 2 is a top plan view of the tank-showing parts in broken lines.

Fig. 3 is a sectional detail showing the construction of the siphoningor discharge pipe.

In the views 5 designates the tank which is generally of parallel pipedform, said tank having the main supplying chamber 6 and the wash waterchamber 7.

The bottom of the mainchamber 6 is provided with an upwardly extendinghousing 4 containing an outlet casing 8 in which is seated a perforatedvalve-like tapered plug 9 to one end of which a so-called siphon pipe 10is connected to extend at right angles to the axis of the plug and intothe chamber so that the pipe 10 can be elevated and depressed within thetank on the axis of the plug to the extent desired to effect thewithdrawal of a predetermined quantity of water. The

position of the open upper end of the pipe 10 below the levelof thewater determines the quantity that can be withdrawn. Connected with theopposite end of the plug 9, which is external to the wall of thechamber, as seen in Fig. 3, is a bent arm 11 by means of which the plugcan be rocked to raise or lower the siphon pipe. The arm .11 works overa fixed arcuate bar 14 having a lateral flange 15 against the lower sideof which the adjacent end 01 the pivoted handle can be pinched by aclamp device at 11 to lock the arm 11 in the position to which placed.The arm 14 can be provided with a scale indicating gallons or otherunits of water so that the arm can be moved from point to point andsecured to depress the siphon pipe to draw successively the units ofwater when and as required for the several batches of concrete.

The plug casing 8 communicates with a valve casing 16 containing a valvecontrolled by a hand wheel 17; and the casing 16 has a pipe 18 leadingto the mixing drum (not shown).

The wash water chamber 7 has connected with its bottom a discharge pipe19 that communicates with the pipe 18; but interposed in said pipe 18 isa valve casing 20 containing a valve that is operated by a spring heldhandle 20 holding the valve normally closed so that water from the washwater chamber 7 can be conducted to the pipe 18 and the concrete mixingdrum when desired.

The top of the tank or reservoir 5 is provided with an opening throughwhich water is supplied to both chambers, the chamber 7 being filled byoverflow from chamber 6, said opening being closable by a cover 21pivoted to a bar 22 that is 0 pivoted at 22 on the top of the tank.Hingedly connected with said bar 22 is one end of a link 23, the otherend of said link being hinged to one arm of a bell crank lever 24pivoted at the corner of the tank. 86

The other arm of the bell crank lever 24 has hinged to it a rod 26 thatextends downward adjacent the end of the tank through a fixed perforatedguiding bracket 26, said rod 25 provided at its lower end with a foot27. A loose remov- 90 able link 22 can be employed to hold the cover 21down until it is to be operated. By pulling down on the rod 25 the cover21 can be opened to permit the introduction of a hose to fill the waterchambers 6 and 7. The position of said foot 27 is such that, when thehand wheel 1'? is in the position occupied with the valve open, the rodcannot be depressed, hence it is only when the valve is closed thatwater can be supplied as stated to the chamber 6 through the opening atthe top.

A rod 30 having float member 31 at its lower end is hung in a bearing,as at 32, at the top of the chamber 6 to swing in said chamber, said rodprojecting externally beyond the end of the tank and having a shortdownward projection or pointer such as shown at 30 parallel to theinternal rod so that the angular position of the latter will indicatethe depth or quantity of water or absence of water in said chamber. Anarcuate scale not shown but of ordinary and obvious construction can beaflixed to the tank opposite said pointer to indicate the quantity orunits of quantity of water present in the chamber.

A rod 33 similar to the rod 30 and with its described appurtenances isshown installed in the wash water chamber 7 to indicate the quantity ofwater in said chamber 7 with an external pointer 33 and indicator asdescribed.

The forms of the parts can be changed without departing from the gist ofthe invention.

What I claim is:

1. A tank for supplying water to a concrete mixer provided with adischarge outlet to the concrete mixer, a valve for controlling saidoutlet, a charging opening, a movable closure for said charging opening,means for operating said closure to expose said opening, said meansbeing inoperable when said outlet valve is in open position.

2. A tank for supplying water to a concrete mixer, provided with adischarge outlet to the concrete mixer, a valve for controlling saidoutlet, a handle for moving said valve, a charging opening, a movableclosure for said opening and means for operating the same to expose saidopening, said valve handle serving as a stop to prevent the exposure ofsaid opening when the discharge valve is in open position.

3. A tank for supplying water to a concrete mixer, said tank alsoprovided with two chambers and an outlet from each chamber to theconcrete mixer, a valve and a handle thereon for controlling each ofsaid outlet, a water charging opening in the tank for supplying both ofsaid chambers, a movable closure for said water charging opening, andmeans for operating said closure to expose said opening, one of saidhandles preventing the operation of said closure operating means toexpose said opening when its valve is in open position.

4. A tank for supplying water to a concrete mixer, said tank alsoprovided with two chambers and an outlet from each chamber to theconcrete mixer, said outlets having a common discharge, a valve and ahandle for controlling each of said outlets, a water charging opening inthe tank for supplying both of said chambers, a movable closure for saidwater charging opening,

and .means for operating said closure to expose said opening, one of.said handles, when in the position of its valve open, constituting astop to prevent the operation of the closure to expose said chargingopening.

5. A tank for supplying water to a concrete mixer, provided with twochambers, and an outlet from each chamber to the concrete mixer, a valveand a handle for controlling each of said outlets, .a water chargingopening in the tank for supplying both of said chambers, a movableclosure for said water charging opening, means for operating saidclosure to expose said opening, one of said valve handles when its valveis in open position preventing the operation of said closure to exposesaid opening, and a float in each of said chambers having an indicatoractuated thereby for indicating the quantity of water withdrawn from thechamber. v

6. A tank for supplying water to a concrete mixer, provided with twochambers, and an outlet from each chamber to the concrete mixer, a valveand a handle for controlling each of said outlets, a water chargingopening in the tank for supplying both of said chambers, a movableclosure for said water charging opening, means for operating saidclosure to expose said opening, one of said valve handles when its valveis in open position preventing the operation of the closure to exposethe said charging opening, and an indicator for each of said chambersfor indicating the quantity of water within it.

LION GARDINER.

